/* ============================================
   Toothbrush Second Landing Page Styles
   Migrated from Shopify page.laifen-toothbrush-second
   ============================================ */

/* ---------- Common Utilities ---------- */
.toothbrush-second-landing .te-c {
    text-align: center;
}
.toothbrush-second-landing .lf-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 clamp(20px, 3vw, 60px);
}
.toothbrush-second-landing .brush-only-desktop { display: block; }
.toothbrush-second-landing .brush-only-mobile { display: none; }
@media screen and (max-width: 768px) {
    .toothbrush-second-landing .brush-only-desktop { display: none; }
    .toothbrush-second-landing .brush-only-mobile { display: block; }
}
.toothbrush-second-landing img {
    max-width: 100%;
    height: auto;
}
.pro-color {
    background: linear-gradient(108.71deg, #304C9B 1.09%, #FFF5DA 127.61%, #FFFCF4 171.2%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.pro-color3 {
    background: linear-gradient(108.71deg, #304C9B 1.09%, #FFF5DA 127.61%, #FFFCF4 171.2%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.brush-color {
    background: linear-gradient(108.71deg, #304C9B 1.09%, #FFF5DA 127.61%, #FFFCF4 171.2%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.brush-b-r {
    border-radius: clamp(10px, 2vw, 20px);
    overflow: hidden;
}
.main_title_small {
    font-size: 0.5em;
    vertical-align: super;
}

/* ============================================
   Banner
   ============================================ */
.laifen-banner-container {
    position: relative;
    width: 100%;
    overflow: hidden;
}
.laifen-banner-container .swiper-wrapper {
    display: flex;
}
.laifen-banner-container .swiper-slide {
    flex-shrink: 0;
    width: 100%;
}
.banner-fh-wrapper {
    position: relative;
    width: 100%;
}
.banner-fh--image img {
    width: 100%;
    height: auto;
    display: block;
}
.banner-fh-link {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}
.banner-fh-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    display: flex;
    padding: clamp(30px, 5vw, 80px);
}
.content-position-middle-left { align-items: center; justify-content: flex-start; }
.content-position-middle-center { align-items: center; justify-content: center; }
.content-position-top-center { align-items: flex-start; justify-content: center; padding-top: 15%; }
.banner-fh-content-inner {
    max-width: 50%;
}
.heading--banner-fh {
    font-size: clamp(28px, 5vw, 64px);
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 clamp(10px, 2vw, 20px);
}
.content-banner-fh {
    font-size: clamp(14px, 2vw, 24px);
    line-height: 1.5;
    margin-bottom: clamp(15px, 3vw, 30px);
}
.banner-btn-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.image-banner--link-bottom__inner {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: clamp(8px, 1.5vw, 14px) clamp(20px, 3vw, 40px);
    border-radius: 24px;
    text-decoration: none;
    font-size: clamp(12px, 1.5vw, 16px);
    font-weight: 500;
    line-height: 1;
    transition: all 0.3s ease;
    text-align: center;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
}
.image-banner--link-bottom__inner.video-button {
    background: transparent;
    margin-right: clamp(5px, 1vw, 15px);
    gap: 8px;
}
.image-banner--link-bottom__inner.video-button:hover {
    background: rgba(255, 255, 255, 0.15);
}
.video-button__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.2em;
    height: 1.2em;
    border-radius: 50%;
    border: 1px solid currentColor;
    flex-shrink: 0;
}
.video-button__icon::before {
    content: "";
    display: block;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0.32em 0 0.32em 0.5em;
    border-color: transparent transparent transparent currentColor;
    margin-left: 0.12em;
}

/* ============================================
   Banner Video Modal (Watch Video popup)
   ============================================ */
.tb2-banner-video-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}
.tb2-banner-video-modal.active {
    display: flex;
}
.tb2-banner-video-modal__container {
    position: relative;
    width: 80%;
    max-width: 1000px;
}
.tb2-banner-video-modal__video {
    width: 100%;
    max-height: 80vh;
    object-fit: contain;
    background: #000;
    display: block;
}
.tb2-banner-video-modal__close {
    position: absolute;
    top: -44px;
    right: 0;
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 32px;
    line-height: 1;
    cursor: pointer;
    padding: 0;
}
@media screen and (max-width: 767.98px) {
    .tb2-banner-video-modal__container {
        width: 92%;
    }
    .tb2-banner-video-modal__close {
        top: -40px;
    }
}
.laifen-banner-pagination {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}
@media screen and (max-width: 768px) {
    .banner-fh-content {
        padding: clamp(20px, 5vw, 40px);
    }
    .content-m_position-top-center {
        align-items: flex-start;
        justify-content: center;
        text-align: center !important;
    }
    .banner-fh-content-inner {
        max-width: 100%;
    }
    .heading--banner-fh {
        font-size: clamp(24px, 6vw, 40px);
    }
}

/* ============================================
   Unlock Wave Pro
   ============================================ */
.unlock-wave-pro-section {
    padding: clamp(80px, 8vw, 160px) clamp(20px, 3vw, 50px) !important;
    padding-bottom: 0 !important;
    color: #3A3A3A;
}
.unlock-wave-pro-title {
    font-size: clamp(30px, 5vw, 50px);
    font-weight: 700;
    text-align: center;
}
.unlock-wave-pro-sub-title {
    font-size: clamp(16px, 2vw, 20px);
    text-align: center;
    margin-top: 10px;
}
.unlock-wave-pro-grid {
    display: grid;
    grid-template-columns: repeat(42, auto);
    grid-template-rows: repeat(13, auto);
    gap: clamp(3px, 1.8vw, 15px);
    margin-top: clamp(25px, 5vw, 50px);
}
.unlock-wave-pro-block {
    position: relative;
}
.unlock-wave-pro-block .block-title {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-size: clamp(10px, 1.7vw, 20px);
    top: clamp(10px, 2vw, 25px);
    z-index: 1;
    color: #3A3A3A;
    width: 100%;
    text-align: center;
}
.unlock-wave-pro-block .block-title br {
    display: none;
}
.unlock-wave-pro-block .block-img {
    width: 100%;
    height: 100%;
}
.block4-bg1-pc,
.block4-bg2-pc {
    width: auto !important;
    height: 100% !important;
}
.block-img-container {
    height: 100%;
    display: flex;
}
.block-item-1 {
    grid-column: 1 / 22;
    grid-row: 1 / 5;
}
.block-item-2 {
    grid-column: 22 / 42;
    grid-row: 1 / 5;
}
.block-item-3 {
    grid-column: 18 / 42;
    grid-row: 5 / 10;
}
.block-item-4 {
    grid-column: 1 / 18;
    grid-row: 5 / 10;
}
.block-item-5 {
    grid-column: 1 / 15;
    grid-row: 10 / 13;
    background: #F4F4F4;
}
.block-item-6 {
    grid-column: 15 / 28;
    grid-row: 10 / 13;
    background: #F4F4F4;
    display: flex;
    justify-content: center;
}
.block-item-7 {
    grid-column: 28 / 42;
    grid-row: 10 / 13;
    background: #F4F4F4;
}
.block-item-1 .block-title {
    text-align: left;
    padding-left: clamp(20px, 2vw, 60px);
    padding-right: clamp(20px, 2vw, 60px);
}
.block4-item-img {
    position: relative;
    flex: 1;
}
.block-1-content {
    position: absolute;
    bottom: clamp(15px, 2vw, 60px);
    left: clamp(20px, 2vw, 60px);
}
.block1-number {
    font-size: clamp(42px, 5vw, 80px);
    background: linear-gradient(136.71deg, #304C9B 19.09%, #FFF5DA 105.61%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
    line-height: 1;
}
.block1-tag {
    font-size: clamp(12px, 1.5vw, 20px);
    color: #3A3A3A;
}
.block4-item1-img-text {
    position: absolute;
    bottom: clamp(10px, 2vw, 13px);
    left: 50%;
    transform: translateX(-50%);
    background: #ffffff;
    color: #3A3A3A;
    padding: clamp(3px, 1vw, 5px) clamp(15px, 2vw, 20px);
    border-radius: 100px;
    font-size: clamp(7px, 1.7vw, 15px);
}
.block4-item2-img-text {
    position: absolute;
    bottom: clamp(10px, 2vw, 13px);
    left: 50%;
    transform: translateX(-50%);
    background: #3A3A3A;
    color: #ffffff;
    padding: clamp(3px, 1vw, 5px) clamp(15px, 2vw, 20px);
    border-radius: 100px;
    font-size: clamp(7px, 1.7vw, 15px);
}
.block-item-6 .block6-logo {
    width: 100%;
    object-fit: cover;
}
.unlock-wave-pro-block.block6 .block6-logo {
    width: 100%;
    object-fit: cover;
}
@media screen and (max-width: 768px) {
    .unlock-wave-pro-grid {
        grid-template-columns: repeat(30, 1fr) !important;
        grid-template-rows: repeat(15, auto) !important;
    }
    .block-item-1 {
        grid-column: 1 / -1;
        grid-row: 1 / 5;
    }
    .block-item-1 .block-title {
        line-height: 1.4;
    }
    .block-item-2 {
        grid-column: 1 / 17;
        grid-row: 5 / 10;
    }
    .block-item-3 {
        grid-column: 17 / 31;
        grid-row: 5 / 12;
    }
    .block-item-4 {
        grid-column: 1 / 17;
        grid-row: 10 / 15;
    }
    .unlock-wave-pro-grid .block-item-5 {
        grid-column: 17 / 31;
        grid-row: 12 / 13;
    }
    .block-item-5 .block-title {
        top: 50%;
        transform: translateY(-50%);
        font-size: clamp(9px, 1vw, 10px);
        left: 10%;
        width: auto;
    }
    .block-item-6 {
        display: flex;
        align-items: center;
        flex-direction: column;
        justify-content: space-between;
        grid-column: 17 / 24;
        grid-row: 13 / 15;
    }
    .block-item-6 .block-title {
        font-size: clamp(10px, 1.2vw, 15px);
        padding: 0 5px;
        top: clamp(7px, 2vw, 25px);
    }
    .block-item-7 {
        display: flex;
        align-items: center;
        flex-direction: column;
        justify-content: space-between;
        grid-column: 24 / 31;
        grid-row: 13 / 15;
    }
    .block-item-7 .block-title {
        margin-bottom: clamp(3px, 1vw, 13px);
        font-size: clamp(10px, 1.2vw, 15px);
        top: clamp(7px, 2vw, 25px);
    }
    .unlock-wave-pro-block .block-title {
        font-weight: 700;
        font-size: clamp(13px, 2vw, 18px);
        line-height: 1.2;
    }
    .unlock-wave-pro-block .block-title br {
        display: block;
    }
    .block-item-3 .block-img-container {
        flex-direction: column;
    }
    .block-item-3 .block4-item2-img-text {
        bottom: 50%;
        left: 10%;
        transform: translateY(50%);
    }
    .block-item-3 .block4-item1-img-text {
        bottom: clamp(28px, 3%, 50px);
        left: 10%;
        transform: translateX(0);
    }
}

/* ============================================
   Animated Text
   ============================================ */
.animated_text_container {
    padding: 0 clamp(20px, 5vw, 100px);
}
.animated_text_container_item.item_animated_title {
    display: flex;
    align-items: center;
    justify-content: center;
}
.animated_content_container_item.item_animated_content {
    display: flex;
    justify-content: center;
}
.animated_title {
    background: linear-gradient(174.71deg, #304C9B -2.91%, #FFF5DA 147.61%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
    font-size: clamp(45px, 4vw, 100px);
    text-align: center;
    opacity: 0.1;
    line-height: 1.5;
}
.animated_content {
    font-size: clamp(20px, 1.7vw, 32px);
}
.animated_content span {
    font-weight: 700;
}
@media screen and (max-width: 768px) {
    .animated_title {
        width: 90%;
    }
}

/* ============================================
   Video Feature
   ============================================ */
.video-feature {
    position: relative;
}
.video-feature__container {
    max-width: 100%;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}
.title-wrapper {
    position: absolute;
    z-index: 11;
    width: 100%;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    bottom: 0;
    padding: clamp(20px, 5vw, 50px) 0;
    background: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(126,126,126,1) 100%);
}
.video-feature__heading,
.video-feature__subheading {
    font-size: clamp(25px, 5vw, 50px);
    color: #fff;
    margin-bottom: 0;
    font-weight: 600;
    line-height: 1.4;
}
.video-feature__video-wrapper {
    position: relative;
    width: 100%;
    margin: 0 auto;
}
.video-feature-video {
    width: 100%;
    height: auto;
    display: none;
}
.video-feature-video-desktop {
    width: 100%;
    height: 100%;
    display: block;
}
@media (max-width: 768px) {
    .video-feature-video { display: block; }
    .video-feature-video-desktop { display: none; }
    .video-feature__subheading {
        padding-right: 5%;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        line-clamp: 2;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

/* ============================================
   Oscillation Vibration
   ============================================ */
.oscillation-vibration-section {
    padding-top: clamp(80px, 8vw, 160px) !important;
    color: #3A3A3A;
    position: relative;
    z-index: 20;
}
.oscillation-vibration-section .main-title {
    font-weight: 700;
    font-size: clamp(25px, 5vw, 50px);
    margin-bottom: clamp(20px, 3vw, 60px);
}
.oscillation-vibration-section .main-title br { display: none; }
.oscillation-vibration-section .subtitle {
    font-size: clamp(12px, 2vw, 20px);
}
.oscillation-vibration-section .content {
    margin-bottom: clamp(30px, 3vw, 50px);
    font-size: clamp(10.5px, 1.5vw, 20px);
}
.oscillation-blocks {
    display: grid;
    grid-template-columns: repeat(40, auto);
    grid-template-rows: repeat(10, auto);
    gap: clamp(10px, 2vw, 20px);
}
.block-item1,
.block-item2,
.block-item3 {
    border-radius: clamp(10px, 2vw, 20px);
    overflow: hidden;
}
.block-item1 {
    position: relative;
    grid-column: 1/23;
    grid-row: 1/10;
}
.block-item1 .img-pc {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.block-item2 {
    position: relative;
    grid-column: 23/40;
    grid-row: 1/6;
}
.block-item3 {
    position: relative;
    grid-column: 23/40;
    grid-row: 6/10;
}
.block-item2 .item-title, .block-item3 .item-title {
    position: absolute;
    top: clamp(25px, 2vw, 35px);
    left: 50%;
    transform: translateX(-50%);
    font-size: clamp(12px, 2vw, 20px);
    width: 100%;
    text-align: left;
    padding-left: clamp(10px, 2vw, 30px);
}
.block-item2 .item-number {
    position: absolute;
    bottom: 50%;
    transform: translateY(50%);
    left: clamp(40px, 3vw, 80px);
    font-weight: 700 !important;
    font-size: clamp(30px, 5vw, 90px);
}
.block-item3 .item-number {
    position: absolute;
    bottom: 50%;
    transform: translateY(50%);
    left: clamp(10px, 3vw, 80px);
    font-size: clamp(25px, 3.5vw, 90px);
    color: #818181;
}
.block-item2 .item-text {
    position: absolute;
    bottom: 0;
    color: #9D9D9D;
    font-size: clamp(8px, 1vw, 13px);
    text-align: center;
    padding: clamp(8px, 2vw, 20px);
}
.block-item4, .block-item5 {
    position: relative;
    grid-column: 1/-1;
    grid-row: 1/10;
}
.performance-container {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: clamp(40px, 5vw, 150px);
    display: flex;
    flex-direction: column;
    gap: clamp(15px, 2vw, 30px);
}
.performance-container .performance-number svg {
    width: clamp(20px, 3vw, 40px);
    margin-right: clamp(5px, 2vw, 10px);
}
.performance-container .performance-number {
    font-size: clamp(40px, 6vw, 80px);
    font-weight: 700;
    font-family: MiSans Latin;
    display: flex;
    align-items: center;
    line-height: 1;
}
.performance-title {
    font-size: clamp(14px, 2vw, 20px);
}
.bottom_cotent {
    margin-top: clamp(20px, 3vw, 60px);
    padding: 0 clamp(20px, 3vw, 60px);
    font-size: clamp(10px, 1.5vw, 18px);
    text-align: center;
}
.bottom_cotent .bottom_content_sub {
    margin-top: clamp(8px, 3vw, 15px);
    font-size: clamp(10px, 1.5vw, 15px);
    color: #9D9D9D;
}

/* Item 5 - side by side images */
.block-item5 {
    display: grid;
    grid-template-columns: repeat(20, 1fr);
    grid-template-rows: repeat(2, auto);
    margin-bottom: clamp(80px, 8vw, 160px) !important;
}
.block-item5 .block-item5-image1 {
    grid-column: 1/19;
    grid-row: 1/1;
    position: relative;
    margin-bottom: clamp(20px, 2vw, 30px);
}
.block-item5 .block-item5-image2 {
    grid-column: 3/21;
    grid-row: 2/2;
    position: relative;
}
.block-item5-image-text {
    position: absolute;
    top: 50%;
    right: 10%;
    transform: translateY(-50%);
    color: #fff;
    font-size: clamp(30px, 10vw, 80px);
    font-weight: 700;
}
.block-item5-image2-text {
    position: absolute;
    top: 50%;
    left: 10%;
    transform: translateY(-50%);
    color: #fff;
    font-size: clamp(30px, 10vw, 80px);
    line-height: 1;
    font-weight: 700;
}
.block-item5-image-text2 {
    position: absolute;
    left: 50%;
    font-size: clamp(15px, 2vw, 30px);
    transform: translateX(-50%);
    bottom: clamp(15px, 2vw, 20px);
    color: #fff;
}

@media screen and (max-width: 768px) {
    .oscillation-vibration-section .main-title br { display: block; }
    .oscillation-blocks {
        display: grid;
        grid-template-columns: repeat(6, auto);
        grid-template-rows: repeat(2, auto);
    }
    .block-item1 { grid-column: 1/7; grid-row: 1/1; }
    .block-item1 .img-mb,
    .block-item4 .img-mb { width: 100%; }
    .block-item2 { grid-column: 1/4; grid-row: 2 / span 1; }
    .block-item3 { grid-column: 4/7; grid-row: 2 / span 1; }
    .block-item4 .performance-container {
        left: 50%;
        transform: translateX(-50%);
        width: 100%;
        display: flex;
        flex-direction: row;
        justify-content: center;
        top: inherit;
        bottom: clamp(20px, 2vw, 30px);
    }
    .block-item2 .item-title {
        top: clamp(10px, 2vw, 15px);
        text-align: center;
        padding: 0;
    }
    .block-item3 .item-title {
        top: clamp(10px, 2vw, 15px);
        text-align: center;
        padding: 0;
    }
    .block-item3 .item-number {
        bottom: clamp(40px, 4.5vw, 63px);
        left: clamp(30px, 3vw, 38px);
    }
    .block-item2 .item-number {
        bottom: clamp(25px, 3vw, 60px);
        transform: translateY(0%);
    }
    .block-item5 .block-item5-image1 { grid-column: 1/21; }
    .block-item5 .block-item5-image2 { grid-column: 1/21; }
    .block-item5-image2-text { top: 5%; left: 5%; transform: translateY(0); }
    .block-item5-image-text { top: 5%; right: 5%; transform: translateY(0); }
}

/* ============================================
   Proprietary Servo System
   ============================================ */
.servo-system-section {
    position: relative;
    color: #3A3A3A;
    background: linear-gradient(231.21deg, #FDFDFD 44.47%, #E4E4E2 115.33%);
    margin-top: clamp(80px, 8vw, 160px) !important;
    padding-top: 0 !important;
}
.servo-system-section .main-title {
    font-weight: 700;
    font-size: clamp(25px, 5vw, 50px);
    margin-bottom: clamp(15px, 2vw, 30px);
    line-height: 1.2;
}
.servo-system-section .subtitle {
    font-size: clamp(12px, 2vw, 20px);
}
.servo-system-section .content {
    margin-bottom: clamp(30px, 3vw, 40px);
    font-size: clamp(12px, 2vw, 20px);
    padding-right: clamp(100px, 5vw, 200px);
}
.servo-system-section .container-bg .img-pc,
.servo-system-v2-section .container-bg .img-pc {
    width: 100%;
}
.container-text {
    position: absolute;
    top: 50%;
    left: calc(50% + 20px);
    transform: translateY(-50%);
}
@media screen and (max-width: 768px) {
    .servo-system-section .container-text,
    .servo-system-v2-section .container-text {
        position: absolute;
        top: clamp(30px, 2vw, 40px);
        left: 50%;
        transform: translateX(-50%);
        width: 100%;
        padding: 0 10%;
    }
    .servo-system-section .container-bg .img-mb,
    .servo-system-v2-section .container-bg .img-mb { width: 100%; }
    .servo-system-section .main-title,
    .servo-system-v2-section .main-title { text-align: center; }
    .servo-system-section .subtitle,
    .servo-system-v2-section .subtitle { text-align: center; }
    .servo-system-section .content,
    .servo-system-v2-section .content { padding-right: 0; text-align: center; }
}

/* ============================================
   Proprietary Servo System V2
   ============================================ */
.servo-system-v2-section {
    position: relative;
    color: #3A3A3A;
    background: linear-gradient(231.21deg, #FDFDFD 44.47%, #E4E4E2 115.33%);
    padding-top: 0 !important;
}
.servo-system-v2-section .main-title {
    font-weight: 700;
    font-size: clamp(25px, 5vw, 50px);
    margin-bottom: clamp(15px, 2vw, 30px);
    line-height: 1.2;
}
.servo-system-v2-section .content {
    margin-bottom: clamp(20px, 3vw, 40px);
    font-size: clamp(11px, 2vw, 20px);
}
.subtitle_small {
    font-size: clamp(11px, 2vw, 17px);
    color: #9D9D9D;
}
@media screen and (max-width: 768px) {
    .servo-system-v2-section .container-text {
        padding: 0 12%;
    }
    .subtitle_small {
        font-size: clamp(11px, 2vw, 27px);
        text-align: center;
    }
}

/* ============================================
   Toothbrush Detail Step (Scroll Gallery)
   ============================================ */
.toothbrush-detail-container {
    height: 600vh;
    position: relative;
}
.gallery {
    position: relative;
    height: 100%;
}
.gallery-sticky {
    position: sticky;
    top: 0;
    height: 100vh;
}
.gallery-copy {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 100%;
    color: #102049;
    z-index: 10;
}
.gallery-copy .gallery-copy-item-0 { left: 16.5%; top: 17%; transition: opacity 0.6s ease, transform 0.6s ease; }
.gallery-copy .gallery-copy-item-1 { top: 17%; left: 37.5%; transition: opacity 0.6s ease, transform 0.6s ease; }
.gallery-copy .gallery-copy-item-2 { top: 17%; left: 58.8%; text-align: left; transition: opacity 0.6s ease, transform 0.6s ease; }
.gallery-copy .gallery-copy-item-3 { top: 17%; left: 77.2%; text-align: left; transition: opacity 0.6s ease, transform 0.6s ease; }
.gallery-copy .gallery-copy-item-4 { top: 67%; left: 71%; text-align: left; transition: opacity 0.6s ease, transform 0.6s ease; }
.gallery-image-item.active { opacity: 1 !important; }
.copy-item.active { opacity: 1; }
.copy-item {
    position: absolute;
    font-size: 1vw;
    text-align: right;
    color: #3A3A3A;
    height: auto;
    max-width: 280px;
    opacity: 0;
}
.copy-item img { width: 8vw; }
.copy-item .step_title { font-weight: 700; font-size: 1.3vw; }
.copy-item { overflow-wrap: anywhere; }
@media screen and (max-width: 1440px) {
    .copy-item { max-width: 240px; }
}
@media screen and (max-width: 1200px) {
    .copy-item { max-width: 200px; }
}
@media screen and (max-width: 992px) {
    .copy-item { max-width: 170px; }
}
@media screen and (min-width: 993px) {
    .gallery-copy .gallery-copy-item-0,
    .gallery-copy .gallery-copy-item-1 {
        padding-top: 8vw;
        padding-right: clamp(8px, 1vw, 16px);
        transform: translateX(-100%);
    }
    .gallery-copy .gallery-copy-item-0 { left: 30.05%; }
    .gallery-copy .gallery-copy-item-1 { left: 49.60%; }
    .gallery-copy .gallery-copy-item-0 img,
    .gallery-copy .gallery-copy-item-1 img {
        position: absolute;
        top: 0;
        left: 100%;
        transform: translateX(-50%);
    }
}
.gallery-images .gallery-image-item {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 100%;
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.gallery-images .gallery-image-item img { width: 100%; object-fit: cover; }
.gallery-images img.active { opacity: 1; transform: scale(1); z-index: 1; }
@media screen and (max-width: 992px) {
    .toothbrush-detail-container .brush-only-desktop { display: none; }
    .toothbrush-detail-container .brush-only-mobile { display: block; }
    .copy-item {
        top: -4% !important;
        left: 50% !important;
        transform: translateX(-50%);
        text-align: center !important;
        font-size: clamp(12px, 2vw, 20px);
        width: 80%;
        max-width: 270px;
    }
    .copy-item .step_title {
        font-size: clamp(20px, 3vw, 25px);
        -webkit-text-fill-color: #3A3A3A !important;
    }
    .copy-item br { display: none; }
    .copy-item img { display: none !important; }
}

/* ============================================
   Multiple Brushing
   ============================================ */
.multiple-brushing-container {
    padding-top: clamp(80px, 8vw, 160px) !important;
}
.clean-container {
    display: grid;
    grid-template-columns: repeat(40, auto);
    grid-template-rows: repeat(3, auto);
    gap: 10px;
}
.clean_type_1 {
    grid-column: 1 / 18;
    grid-row: 1 / 2;
    padding-left: 20%;
}
.clean_type_2 {
    grid-column: 23 / 40;
    grid-row: 1 / 2;
    padding-right: 20%;
}
.modes-type {
    position: relative;
    grid-column: 1 / 40;
    grid-row: 2 / 3;
    padding-top: clamp(30px, 3vw, 50px);
}
.clean_type_title {
    background: linear-gradient(108.71deg, #304C9B 1.09%, #FFF5DA 127.61%, #FFFCF4 171.2%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    font-size: clamp(15px, 2vw, 30px);
    margin: 10px 0;
}
.clean_type_text {
    font-size: clamp(10px, 1.5vw, 24px);
}
.modes_type_content {
    position: absolute;
    top: 50%;
    left: calc(50% + 10px);
    transform: translateY(-50%);
    padding: 0 clamp(20px, 3vw, 80px);
}
.content-left-img {
    position: relative;
    width: 50%;
    max-width: 50%;
}
.content-left-number {
    position: absolute;
    bottom: clamp(10px, 1vw, 20px);
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 clamp(20px, 3vw, 80px);
    gap: 14px;
}
.content-left-number svg {
    width: clamp(10px, 2vw, 20px);
    display: inline;
}
.content-left-number .number-text {
    display: inline;
    font-weight: 700;
    font-size: clamp(30px, 3vw, 43px);
    color: #304C9B;
    font-family: 'MiSans Latin';
    background: linear-gradient(108.71deg, #304C9B 1.09%, #FFF5DA 127.61%, #FFFCF4 171.2%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.content-left-number .content-text { display: block; }
.content-left-number1,
.content-left-number2,
.content-left-number3 {
    flex: 1;
    background: rgba(255, 255, 255, 0.8);
    text-align: center;
    padding: clamp(5px, 1vw, 15px) clamp(10px, 2vw, 30px);
    font-size: clamp(13px, 1.5vw, 18px);
}
.content-left-item {
    display: flex;
    align-items: center;
    justify-content: center;
}
.multiple-brushing-container .main_title br { display: none; }

/* modes_type2 */
.modes-type2 {
    display: flex;
    justify-content: end;
}
.modes-type2 .modes_type_content {
    left: 0;
    width: 50%;
    padding-left: 0;
}

/* modes_type3 */
.modes-type3 {
    grid-row: 3 / 3;
}
.modes-type3 .content-left-number1,
.modes-type3 .content-left-number2 {
    display: flex;
    align-items: center;
    background: transparent !important;
    padding-right: 0;
    opacity: 1 !important;
}
.modes-type3 .content-left-number1 svg,
.modes-type3 .content-left-number2 svg {
    width: clamp(35px, 4vw, 50px) !important;
    margin-right: clamp(10px, 1vw, 20px);
}
.second-text {
    font-weight: 700;
    font-size: clamp(25px, 3vw, 43px);
    color: #ffffff;
    line-height: 1;
    text-align: left;
}
.second-text2 {
    color: #ffffff;
    font-size: clamp(10px, 1.5vw, 18px);
    text-align: left;
}

@media screen and (max-width: 768px) {
    .multiple-brushing-container .main_title br { display: block; }
    .clean-container {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .clean_type_title {
        margin: 20px 0 5px;
        -webkit-text-fill-color: initial;
        background-clip: text;
    }
    .clean_type_text { padding: 0 20px; }
    .clean_type_1 { padding-left: 0; margin-bottom: 30px; }
    .clean_type_2 { padding-right: 0; margin-bottom: 40px; }
    .modes-type { position: relative; padding-top: 0; flex-direction: column; }
    .modes_type_content {
        position: initial;
        transform: none;
        width: 100% !important;
        margin-bottom: 30px;
    }
    .content-left-img { width: 100%; max-width: 100%; }
    .modes_type { display: flex; flex-direction: column; }
    .clean_type_title { text-align: center; }
    .clean_type_text { text-align: center; padding: 0; }
}

/* ============================================
   Grid Layout
   ============================================ */
.grid-main-container {
    background: #F4F4F4;
    padding: clamp(120px, 5vw, 150px) 0 !important;
}
.grid-section .main-title {
    text-align: center;
    font-weight: 700;
    margin-bottom: clamp(20px, 3vw, 60px);
}
.grid-section .grid-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.grid-section .grid-item {
    text-align: center;
    padding: clamp(20px, 3vw, 40px) clamp(30px, 3vw, 50px);
}
.grid-section .grid-container .grid-item-img {
    width: clamp(60px, 15vw, 150px);
    height: clamp(60px, 15vw, 150px);
    flex-shrink: 0;
    margin: 0 auto clamp(20px, 5vw, 40px);
}
.grid-section .grid-item img { width: 100%; height: 100%; }
.grid-section .grid-item .item-title {
    font-weight: bold;
    margin-bottom: 5px;
    font-size: clamp(15px, 2vw, 25px);
    white-space: nowrap;
}
.grid-section .grid-item .item-content {
    font-size: clamp(12px, 2vw, 18px);
}
@media screen and (max-width: 768px) {
    .grid-section .grid-container { grid-template-columns: 1fr; }
    .grid-section .grid-container .grid-item {
        display: flex;
        align-items: center;
    }
    .grid-section .grid-container .grid-item-img {
        margin-bottom: 0;
        margin-right: clamp(30px, 2vw, 40px);
    }
    .grid-section .grid-item .item-title,
    .grid-section .grid-item .item-content { text-align: left; }
}

/* ============================================
   Marquee (跑马灯)
   ============================================ */
.tb2-marquee-section .home-user-backmap__marquee-container {
    overflow: hidden;
    width: 100%;
}
.tb2-marquee-section .home-backmap-marquee {
    overflow: hidden;
    will-change: transform;
}
.tb2-marquee-section .home-backmap-marquee__track {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: stretch;
    flex-shrink: 0;
    width: max-content;
    column-gap: 16px;
}
.tb2-marquee-section .home-backmap-marquee__content {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: stretch;
    flex-shrink: 0;
    column-gap: 16px;
}
.tb2-marquee-section .home-backmap__card {
    flex-shrink: 0;
    width: 280px;
    max-width: 40vw;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    background: #fff;
}
.tb2-marquee-section .home-backmap__image-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 720 / 455;
    overflow: hidden;
}
.tb2-marquee-section .home-backmap__image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.tb2-marquee-section .home-backmap-marquee--row2 { margin-top: 16px; }
.home-backmap-marquee img { max-width: 300px; }
@media screen and (max-width: 768px) {
    .tb2-marquee-section .home-backmap__card {
        width: 240px;
        max-width: 55vw;
    }
}

/* ============================================
   Product Notes
   ============================================ */
.product-notes-section {
    padding: 20px clamp(20px, 3vw, 50px);
    background-color: #f9f9f9;
    color: #555;
    font-size: 14px;
    display: flex;
    align-items: center;
}
.product-notes-content p {
    margin: 5px 0;
    line-height: 1.5;
}
@media (max-width: 768px) {
    .product-notes-section {
        font-size: 12px;
        padding: 15px 20px;
    }
}